body {
     width: 100%;
 }
 
 .top_title {
     margin-top: 110px;
     color: #052b7b;
     font-size: 45px;
     text-align: center;
     font-family: "微软雅黑";
     letter-spacing: 4px;
     line-height: 70px;
 }
 
 .top_title p {
     text-shadow: 1px 1px 1px #052b7b;
 }
 
 .enter_main {
     width: 1400px;
     margin: 110px auto;
 }
 
 .enter_main ul {
     list-style: none;
     display: flex;
     justify-content: space-between;
 }
 
 .enter_main ul li a img {
     margin-top: 20px;
 }
 
 .enter_main ul li a span {
     display: inline-block;
     margin-top: 10px;
     color: #2f529a;
     font-size: 30px;
 }
 /*缩放*/
 
 .enter_main ul li a {
     border-radius: 10px;
     float: left;
     height: 300px;
     width: 300px;
     background: rgba(255, 255, 255, 0.6);
     margin-right: 30px;
     text-align: center;
     transition: all 0.5s;
     -moz-transition: all 0.5s;
     -webkit-transition: all 0.5s;
     -o-transition: all 0.5s;
 }
 
 .enter_main ul li a:hover {
     transform: scale(1.2);
     -moz-transform: scale(1.2);
     -webkit-transform: scale(1.2);
     -o-transform: scale(1.2);
     /*鼠标放上去放大1.2倍*/
 }
 
 .enter_bottom {
     position: absolute;
     padding-bottom: 40px;
     text-align: center;
     width: 100%;
     color: #052b7b;
 }
 
 .ac a {
     color: #052b7b;
 }
 
 @media screen and (min-width:1024px) and (max-width: 1400px) {
     .top_title {
         margin-top: 90px;
         color: #052b7b;
         font-size: 35px;
         text-align: center;
         font-family: "微软雅黑";
         letter-spacing: 3px;
         line-height: 60px;
     }
     .enter_main {
         width: 1000px;
     }
     .enter_main ul {
         display: flex;
         justify-content: space-between;
     }
     .enter_main ul li a img {
         margin-top: 15px;
         width: 55%;
     }
     .enter_main ul li a span {
         margin-top: 10px;
         font-size: 25px;
     }
     .enter_main ul li a {
         border-radius: 10px;
         float: left;
         height: 200px;
         width: 200px;
         background: rgba(255, 255, 255, 0.6);
         margin-right: 15px;
         text-align: center;
         transition: all 0.5s;
         -moz-transition: all 0.5s;
         -webkit-transition: all 0.5s;
         -o-transition: all 0.5s;
     }
     .enter_main ul li a span {
         margin-top: 20px;
         font-size: 20px;
     }
 }
 
 @media screen and (min-height:200px) and (max-width: 768px) {
     /*头部标题*/
     .top_title {
         width: 100%;
         margin-top: 40px;
         color: #052b7b;
         font-size: 22px;
         text-align: center;
         font-family: "微软雅黑";
         letter-spacing: 1px;
         line-height: 30px;
     }
     .enter_main {
         margin-top: 50px;
         width: 100%;
     }
     .enter_main ul {
         width: 100%;
         display: block;
         text-align: center;
     }
     .enter_main ul li {
         display: inline-block;
         margin-bottom: 20px;
     }
     .enter_main ul li a {
         border-radius: 10px;
         height: 200px;
         width: 100%;
         background: rgba(255, 255, 255, 0.6);
         text-align: center;
         transition: all 0.5s;
         -moz-transition: all 0.5s;
         -webkit-transition: all 0.5s;
         -o-transition: all 0.5s;
     }
     .enter_main ul li a img {
         margin-top: 15px;
         width: 40%;
     }
     .enter_main ul li a span {
         margin-top: 20px;
         font-size: 20px;
     }
 }